Answer: I think it’s -28n-49m+56
Step-by-step explanation:
Distribute the 7 to all the numbers in parenthesis
It would be: 21 * (6.3 * 10⁻⁴)
= 132.3 * 10⁻⁴
= 1.323 * 10⁻²
In short, Your Answer would be: 1.323 * 10⁻²
Hope this helps!
Use the equation and the map it might help so you can check your answer both ways tell me what the equation is and ill help a little more
